CVE-2022-37452

    Dashboard / Vulnerabilities / CVE-2022-37452

    CVE-2022-37452

    Published: 7 Aug 2022Last Modified: 12 Aug 2026

    Summary:

    Details: Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.

    References: https://github.com/Exim/exim/compare/exim-4.94...exim-4.95, https://github.com/Exim/exim/wiki/EximSecurity, https://www.exim.org/static/doc/security/, https://www.openwall.com/lists/oss-security/2022/08/06/8, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37452.json, https://nvd.nist.gov/vuln/detail/CVE-2022-37452, https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743, https://github.com/ivd38/exim_overflow, https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -fb62e7a12be6593a5432fba4a9e4468c34feef5c

    Affected versions

    exim-4.95-RC2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2022-37452 | CVE-DB